Rotary grating-machine.



S.'C. HOOD.

ROTARY GRATING MACHINE.

APPLICATION FILED APR.18, 1916.

1 1 86,3 1 7. Patented June 6, 1916.

2 SHEETS-SHEET I.

Aiibrizqy s. c. HOOD.

ROTARY GRATING MACHINE. APPLICATION man APR.18, 1916.

1,186,317. Patented J1me 6,1916.

2 SHEETSSHEET 2.

SAMUEL 0. H001), OF ORLANDO, FLORIDA.

ROTARY GRATING-MACHINE Specification of Letters Patent.

Patented June 6, 1916.

(DEIilIGATED TO THE PUBLIC.)

l I To all whom ztxmay concern -of Florida, (whose post-office addr culture ofthe said United States, residing at Orlando, in the county ot Orange, btate 1S Orlando, Floridan) have invented a new and nsef-ulf Improvement in Rotary Grating- Machines.

This application is made under the Act of March 3,1883, chapter 143 (22 Stat.

(325 and the invention herein described and claimed may be used by the Governmentof the United States, or any wot its ofiicers or employees, in the prosecution of work for;the'Governn'ient, or any person in the United States, Without payment to me of any royalty thereon.

invention relates to rotary'cutters for gratingoranges and other citrus trait,

The object of my invention is to provide "an apparatus, simple in construction and easy. of operation, and one which is speremove peels fromcitrus fruits without im- J pairing or injuring the fruit, thus making separatelyayailable the peels and the fruit.

a for. such commercial use as they may be respectively adapted.

cially designed conveniently and cleanly to The object, characteristic features, and

,scope}of myinvention will ,be more readily understood from the following description taken in connection with the accompanying drawing, wherein Figure 1 IS'tl perspective view ot the ma- 1chinepFig QeiSa cross section through the maehinerFig 3 isa top view of the table;

. 1 in itsoperative position the innerwall of Fig 4 isa. side view of the machine with the covenremoved; and Fig. 5 is a cross section the conveyor.

Beferring to the drawings, A represents cylindrical; drum or grating member "which is carriedor; revolved on a shaft, B, restingin suitable bearings, a, formed ineach of'thefsides of the base frame Work, 0.. Secured, to. shaft, B, by any suitable Fmeans, and formijng part of drum, A, are

a numberiof castings, b, spaced at suitable d stances.. These castings serve to support saididrum, said inner wall'being formed of stoves, 0, preferably cypress.

The outer wall of the drum, A, is made .suiiablc base.

of strips of galvanized iron or other suitable substances completely wound around the-inner wall oi said drum. These strips are punched so as to form a series of sperial teeth. (I. Said teeth. (I, may be made by a triangular punch, and adjusted so that the teeth are about oncdourth inch loin, and a point oi the teeth raised about one-eighth inch above the surface of said drum. .\ll of the teeth have the points forward. The drum, A, when adjusted and constructed on shaft, 13, as described, is set on said frame work. C". the frame-work being well built. braced. and fastened to the lloor or other One end of the shaft l3. when adjusted to the frame-work, is approximately twelve inches higher than the other end. Power is applied to sha't't B through the medium of the pulley l). which may be belted to any source oi supply. A sprocket wheel, (1. is fastened to the end of shaft. B, and is of such diameter that when in operation it will serve to revolve the drum at 500 revolutions per minute, and at a relative speed of 4 to l revolution of the screw hereinaiter described.

E represents a 'i eed screw, constructed preferably of galvanized iron pipe, having securely attached thereto a. spiral, i each flight there Y being about 3- inches high and spaced approximately 4 inches apart. These flights are. punched thickly to form points, e, as shown in Fig. 5, about oneeighth inch high on the forward face, and are so formed that their outer edges are set forward about 15 degrees. Screw, E, is riveted or otherwise securely attached to a shaft, f, which is'set in suitable bearings, forming a part of the adjustable member hereinafter referred to and extends longitndinally and in an inclined position with the drum. Shaft, f, is provided at its lower end with a sprocket wheel, g, the number of the sprockets being about four. to each one of the sprockets, h, on the main shaft of the drum, A. The sprockets, and h, are

connected by an endless chain, 71, whiclr the proper point so that the edge of the so I Q. be

G, and levers, H, which employ the sleeve,

1, asan axis in their turning movements.

Table, (his of the same length as the screw,

E, and is secured in operative position bevanized iron thickly punched to form points.

as on the face of the screw flights. The

7 bolt, K, connected to the appropriate member. hereinafter referred to, carries the entire weight of the table'rthe said bolt servmg as a pinion, and on this pinion the table is tilted. raised and lowered as hereinafter described. The free ends of the le\'ei's,,H, can be raised or lowered on the floor standards. L, by removing and inserting the supporting bolt. k. in any of the apertures, Z, in the floor standards. These standards are braced to withstand the side thrust caused by the feed screw.- It, being higher at one end" than the other. The shaft f, of the feed screw passes through the levers, H, at

flights of the feed screw will be about threefourth inches from the face of the drum.

The lever. M, is supported at one end by the sleeve. I. and at the other end by the wheel screw. N. The lever, O, is supported atone end by the wheel screw, P. secured to and extending from the lever, H. and at the other end by the bolt, K, the latter.supporting the table as hereinbefore described. By adjusting the levers, H, on the standards. L, and using the sleeve,'I,.as an axis, the entire feeding mechanism can be raised or lowered, tlius-adjusting the weight of the fruit against the drum at the desired pressure. The wheel screws, N, and P, serve as a fine adjustment. The screw, N,

changes the angle at which the orange rests against the drum, and by the screw. 1?. the ta'ble'is raised or lowered so that the feed screw can be made to run as close. as possible to the top of the table. The fine adjustments are necessary for working success-- fully with various kinds of fruits. The adjustment mechanism is the same at each end of the machine.

The table, (i. is provided with openings, m, which may be closed by the slidable parts, m. as shown in Fig. 3. These slidalile iarts new be removed. thus allowin I h the fruit to drop through the apertures. m. The apertures. m. are'cut in the table, (1, to prevent excessive peeling of tender fruit.

Over the machine is a detachable galvanized iron covcr. R. and under the drum, A, is adjusted a trough. S. for receiving the peels. Secured in the rear of the device is a bin. 'l. for holding the fruit. The fruit is fed from said bin into the feed screw, E, through the spout, ll. when the peeled fruit is delivered through the spout, \V, to any suitable receptacle. or container.

Impraetisiiig my invention, I run the fruit from the storage bin, T, through the spout, U, into the feed screw. E. The feed.

scre and drum are revolved by means of the sprocket wheels and pulley hereinbefore described. At each revolution of the screw an orange. or other fruit, is admitted. The fruitis carried by this screw the length of the machine and in contact with the grating drum. The peel is removed by the grating process. .-\ccording as to whether the fruit is tender or tough. the machine can be lowered or raised by the lever, H. The higher the lever. H, is raised. the more the fruit is grated with. a consequent less amount of grating as the lever.- H. is lowered. called a Jfine adjustment so as to exactly regulate the amount of grating on the fruit. This series of'levers comprise the adjustable member so as properly to peel the fruit and The screws. N and I. might benot destroy it by overgrating. If thesev levers cannot reduce theaniount of grating sufiiciently. the fruit can be allowed to drop through the apertures, III, and thus not come in contact with the grating surface the entire'length of the drum. I

' The fruit thus peeled is commercially valuable for use in 'iiiarmalades and other juice preparations to be used at soda fountains. in restaurants. and the home. The machine. however,- was designed primarily for the purpose of removing the oil bearing portion of the rind of waste or cull oranges. It is hoped in this way to produce at home the 100.000 pounds of orange oil now imported annually from Italy.' Grape fruit and limes am also be profitably peeled by this machine.

From the foregoing, it is thought that the construction, operation and many advantages of the herein described invention will be apparent to those skilled in the art, without further description, and it will he understood that variouschanges in the size, shape. proportion, and minor details of construction may be resorted to without departing from the spirit or sacrificing any of the advantages of the invention.

Having described my invention, I claim:

1. A'grating machine comprising a longitudinally disposed movable grating member adapted to support, rotate and guide articles to be grated. a longitudinally disposed supporting and guiding member extending along the side ofsaid grating member and adapted to guide articles'toward .jsaid grating inen'iber and also longitudilongitudinally disposed supporting and guiding member extendii along the side of said grating member and' adapted to guide articles toward said gating member and also longitudinally thereof and means operative to control the speed of movement of the articles longitudinally and incontact with said member.

3. A grating machine comprising a longitudinally disposed rotary cylindrical grating men'iber adapted to support, rotate and guide articles to he grated a longitudinally disposed supporting ai'td 'guiding member extendingfildong the side of said grating member and adapted to guide articles toward said gratin" member and also longitu dinally, thereof and means operative to control the speed of movement ot the articles longitudinally and in contact with said member.

l 4. A grating machine comprising a longitudinally disposed rotary cylindrical gratingmember adapted to support, rotate and guide articles to be grated, an angularly adjustable, longitudinally disposed supporting andnguiding member, extending along the side of said grating member and adapt- .ed to guide articles toward said grating member and also longitudinally thereof and means operative to control the speed of movement of the, articles longitudinally, and in contact with said member. a

5. A grating machine, comprising a longitudinally disposed, movable, grating" member. adapted to support, rotate and guide articles to be grated, a longitudinally disposed supporting and guiding member extending along the side ofsa id grating member and adapted to guide articles toward said grating member, and also longitudinally thereof, and a conveyer disposed above said members and operative to control the speed of n'iovement of the articles longitudinally and in contact with said member.-

6. A grating machine comprising article supporting and grating means adapted to support and guide articles freely along a given path of movement and controlling means for regulating the movement of said articles along, and in contact with, said supporting and grating means.

In testimony whereof, I allix my signature in the presence of two subscribing witnesses. i

SAMUEL C. HOOD. Witnesses:

E. B. BRADLLY, C. KENNISON. 

